package com.fengye.security.demo.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.fengye.security.demo.mapper.MyUserMapper;
import com.fengye.security.demo.model.MyUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * @Author sky
 * @Email <mailto:fengyexjtu@126.com>
 * @Date 2020/12/26 20:03
 * @Description
 **/
@Service("userDetailsService")
@Slf4j
public class MyUserDetailsService implements UserDetailsService {

    @Autowired
    private PasswordEncoder passwordEncoder;

    @Autowired
    private MyUserMapper myUserMapper;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {

        QueryWrapper<MyUser> wrapper = new QueryWrapper<>();
        wrapper.eq("username", username);
        MyUser myUser = myUserMapper.selectOne(wrapper);
        String roles = myUser.getRoles();
        String auth = myUser.getAuthorities();
        String all = roles.toUpperCase() + "," + auth.toLowerCase();
        List<GrantedAuthority> authorities =
                AuthorityUtils.commaSeparatedStringToAuthorityList(all);
        User user =
                new User(myUser.getUsername(), passwordEncoder.encode(myUser.getPassword()), authorities);
        log.info("user = {}", user);
        return user;
    }
}
